Thanks Robert.
1. You mention the internal "boot rom" Is this the masked ROM that is part of
the chip?
From: Robert Nelson <[email protected]>
To: Beagle Board <[email protected]>
Sent: Monday, June 15, 2015 7:30 AM
Subject: Re: [beagleboard] U-Boot Location
On Sat, Jun 13, 2015 at 1:11 PM, <[email protected]> wrote:
> Hello,
>
> Delving deeper into the Black. Could someone please respond to my
> questions/assumptions below?
>
> 1. I assume U-Boot is located in the eMMC and that at boot depending on
> position of boot switch, it will load the kernel either from eMMC or the SD
> card?
Actually the "boot" switch lets the internal "boot rom" know what
device to search first. The boot rom then attempts to load u-boot
from the appropriate device.
> 2. Where are pre-built images for U-Boot for the Black located and where is
> source code located?
They are currently dd'ed to the mbr. You can find a patch under /opt/source/
Otherwise:
https://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-Bootloader:U-Boot
Regards,
--
Robert Nelson
https://rcn-ee.com/
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